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Harris Corporation
Constellation™
Loopback Procedures
4-7
LO
OPBACK
TEST
ING
3DS3/4DS3 Loopback Tests
3DS3/4DS3 Loopback
Customer test equipment is required for this test. This test loops back the signal
from the near end to the far end. See
You need to access the hidden Control submenu to conduct the DS3 loopback
test for each channel.
From the Keypad, select
CONTROL > hidden menu (F1 + F3 or Ctrl B) > DS3-x LPBK
Figure 4-6: 3DS3/4DS3 loopback test
HLM-3xDS3 or
4xDS3
Hi Cap
Modem
ACU
Transmitter
Assembly
ACU
Receiver
Assembly
Local Terminal
Remote Terminal
Test set
DS3-1
Hi Cap
Modem
Transmitter
Assembly
Receiver
Assembly
HLM-3xDS3 or
4xDS3
DS3-2
DS3-3
DS3-1
DS3-2
DS3-3
DS3-4
DS3-4
Summary of Contents for Constellation
Page 1: ...Point to Point Digital Radio Constellation Installation Maintenance...
Page 2: ......
Page 4: ...Constellation November 2003...
Page 18: ...Constellation November 2003 xii List of Figures...
Page 24: ...Constellation November 2003 xviii Preface...
Page 26: ...Constellation November 2003 xx Preface...
Page 96: ...Constellation November 2003 4 12 Loopback Testing...
Page 110: ...Constellation November 2003 5 14 Configuring the Constellation Radio...
Page 134: ...Constellation November 2003 7 14 SNMP Based Network Management...
Page 210: ...Constellation November 2003 11 36 Field Replaceable Units...
Page 238: ...Constellation November 2003 A 16 Wiring Specifications...
Page 260: ...Constellation November 2003 C 10 Hardware Compatibility Tables...
Page 276: ...Constellation November 2003 Glossary 6...
Page 291: ......